Specification Weather Station size 205 130 30mm Outdoor Sensor Size 96 24 50mm Packing size 235 153 80mm Packing weight 600g Plug Use EU US Plug Features Weather Station 1 DCF WWVB automatic time calibration radio clock function 2 Time calendar display time system 12HR 24HR display selection 3 Seven Nations Week Display EN GE FE SP IT DU DA4 Alarm clock with snooze function 5 12 level moon phase display 6 Temperature & humidity display Indoor temperature display range 9 9℃ 50℃ 13 9℉ 122℉ Indoor humidity display range 20 RH 95 RH Outdoor temperature display range 40℃ 70℃ 40℉ 158℉ Outdoor humidity display range 20 RH 95 RH Temperature display format selection °C °F 7 Frost point alarm function 8 Temperature Humidity Trend Display 9 Records of the maximum & minimum values of indoor & outdoor temperature & humidity can be manually cleared 10 5 level comfort level graphic display 11 Air pressure display function Air pressure display range 600 h Pa mb 1100 h Pa mb 17 72 in Hg 32 48 in Hg Air pressure display resolution 1 h Pa mb 0 03 in Hg Air pressure unit selection mb h Pa or in Hg 12 The barometric pressure trend graph over the past 24 hours is displayed 13 Predict the weather forecast after 12 hours sunny cloudy cloudy light rain light snow heavy rain heavy snow 14 Weather trend display 15 Backlight function When powered by battery the backlight turns on for 15 seconds & then turns off When pow